Each word always begins with the letters RI. The two part question has two different sets of clues.
-1. RI + Compound for animals = To mellow with age. 5 letters
-2. RI + The chime of a bell; noise = Travelling by bicycle. 6
-3. RI + Chemical element symbol for Iron = Not uncommon; abundant. 4
-4. RI + Informal name for a animal doctor = A type of stud used in metalwork. 5
-5. RI + Hair care product = A binary star in the constellation of Orion. 5
-6. RI + Melody of words from your mouth with or without music = Going upwards. 6
7. RI + A depression or damage to the surface = Laughing or giggling. 6
8. RI + Light blue = Involving a slight degree of danger. 5
-9. RI + A painful disease affecting the joints of the hands and feet; more common in men = One's dress or outfit. 6
-10. RI + Without hair on the head = Rude and offensive language. 6